891001008

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 2785536000

約数和(自身を除く): 1894534992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 59, 62, 68, 72, 93, 102, 118, 124, 136, 144, 153, 177, 186, 199, 204, 236, 248, 272, 279, 306, 354, 372, 398, 408, 472, 496, 527, 531, 558, 597, 612, 708, 744, 796, 816, 944, 1003, 1054, 1062, 1116, 1194, 1224, 1416, 1488, 1581, 1592, 1791, 1829, 2006, 2108, 2124, 2232, 2388, 2448, 2832, 3009, 3162, 3184, 3383, 3582, 3658, 4012, 4216, 4248, 4464, 4743, 4776, 5487, 6018, 6169, 6324, 6766, 7164, 7316, 8024, 8432, 8496, 9027, 9486, 9552, 10149, 10974, 11741, 12036, 12338, 12648, 13532, 14328, 14632, 16048, 16461, 18054, 18507, 18972, 20298, 21948, 23482, 24072, 24676, 25296, 27064, 28656, 29264, 30447, 31093, 32922, 35223, 36108, 37014, 37944, 40596, 43896, 46964, 48144, 49352, 54128, 55521, 60894, 62186, 65844, 70446, 72216, 74028, 75888, 81192, 87792, 93279, 93928, 98704, 104873, 105669, 111042, 121788, 124372, 131688, 140892, 144432, 148056, 162384, 186558, 187856, 199597, 209746, 211338, 222084, 243576, 248744, 263376, 279837, 281784, 296112, 314619, 363971, 373116, 399194, 419492, 422676, 444168, 487152, 497488, 559674, 563568, 598791, 629238, 727942, 746232, 798388, 838984, 845352, 888336, 943857, 1091913, 1119348, 1197582, 1258476, 1455884, 1492464, 1596776, 1677968, 1690704, 1796373, 1887714, 2183826, 2238696, 2395164, 2516952, 2911768, 3193552, 3275739, 3592746, 3775428, 4367652, 4477392, 4790328, 5033904, 5823536, 6187507, 6551478, 7185492, 7550856, 8735304, 9580656, 12375014, 13102956, 14370984, 15101712, 17470608, 18562521, 24750028, 26205912, 28741968, 37125042, 49500056, 52411824, 55687563, 74250084, 99000112, 111375126, 148500168, 222750252, 297000336, 445500504, 891001008]

約数ペア:

[(1, 891001008), (2, 445500504), (3, 297000336), (4, 222750252), (6, 148500168), (8, 111375126), (9, 99000112), (12, 74250084), (16, 55687563), (17, 52411824), (18, 49500056), (24, 37125042), (31, 28741968), (34, 26205912), (36, 24750028), (48, 18562521), (51, 17470608), (59, 15101712), (62, 14370984), (68, 13102956), (72, 12375014), (93, 9580656), (102, 8735304), (118, 7550856), (124, 7185492), (136, 6551478), (144, 6187507), (153, 5823536), (177, 5033904), (186, 4790328), (199, 4477392), (204, 4367652), (236, 3775428), (248, 3592746), (272, 3275739), (279, 3193552), (306, 2911768), (354, 2516952), (372, 2395164), (398, 2238696), (408, 2183826), (472, 1887714), (496, 1796373), (527, 1690704), (531, 1677968), (558, 1596776), (597, 1492464), (612, 1455884), (708, 1258476), (744, 1197582), (796, 1119348), (816, 1091913), (944, 943857), (1003, 888336), (1054, 845352), (1062, 838984), (1116, 798388), (1194, 746232), (1224, 727942), (1416, 629238), (1488, 598791), (1581, 563568), (1592, 559674), (1791, 497488), (1829, 487152), (2006, 444168), (2108, 422676), (2124, 419492), (2232, 399194), (2388, 373116), (2448, 363971), (2832, 314619), (3009, 296112), (3162, 281784), (3184, 279837), (3383, 263376), (3582, 248744), (3658, 243576), (4012, 222084), (4216, 211338), (4248, 209746), (4464, 199597), (4743, 187856), (4776, 186558), (5487, 162384), (6018, 148056), (6169, 144432), (6324, 140892), (6766, 131688), (7164, 124372), (7316, 121788), (8024, 111042), (8432, 105669), (8496, 104873), (9027, 98704), (9486, 93928), (9552, 93279), (10149, 87792), (10974, 81192), (11741, 75888), (12036, 74028), (12338, 72216), (12648, 70446), (13532, 65844), (14328, 62186), (14632, 60894), (16048, 55521), (16461, 54128), (18054, 49352), (18507, 48144), (18972, 46964), (20298, 43896), (21948, 40596), (23482, 37944), (24072, 37014), (24676, 36108), (25296, 35223), (27064, 32922), (28656, 31093), (29264, 30447)]